【摘要】 讨论多元有理插值逼近问题，且证明它们的逼近阶为，其中表示连续模，n表示矩形区域剖分竖直线的数目．更多还原

【Abstract】 The problem on multivariate rational interpolatory approximation is discussed. It is shown that the orders of approximation are which is continuous with f and n is the vertical line num-ber of the segmentation at the rectangle.更多还原